Upwork, one of the world’s largest freelance marketplaces, has upgraded its AI assistant, Uma, using Llama 3.1 technology to help freelancers win more jobs. Writing proposals can be hard, especially for new freelancers.
Uma now makes this easier by analyzing job posts, recommending skills, and drafting personalized proposals in real time. This helps freelancers pitch their services confidently and increase their chances of getting hired.
Upwork AI Proposal Assistant: Advanced AI Tailored for Freelancers

Upwork’s AI team integrated Llama 3.1 with low-rank adaptation (LoRA) to create a smart, context-aware assistant. Uma understands job details and freelancers’ unique skills to generate tailored pitches.
The AI system was fine-tuned with datasets written by top Upwork freelancers and copywriters, ensuring proposals match the platform’s tone and style.
The LoRA adapters allow Uma to run efficiently at scale, supporting millions of freelancer interactions worldwide without high costs.
This upgrade improved freelancer engagement by nearly 59% and boosted positive user feedback by 24%. Additionally, the switch to open-source AI reduced operational costs by over 19%.
Also read about: What Is Upwork And Is It Worth Working On Upwork 2025
Key Features of Upwork’s Uma AI:
- Extracts key job requirements and suggests relevant freelancer skills
- Drafts personalized, high-quality proposals aligned with job posts
- Uses secure, cost-effective open-source Llama 3.1 technology
- Supports millions of real-time freelancer conversations globally
- Seamlessly integrates with Upwork’s infrastructure via Fireworks AI and AWS
- Enhances freelancer confidence and success rates in a competitive market
Looking ahead, Upwork plans to expand Uma’s capabilities with new AI models to further improve freelancer and client experiences.
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